public class Example7_2 {
   public static void main(String args[]) {
     ShowBoard board = new ShowBoard();
     board.showMess(new OutputEnglish());
     board.showMess(new OutputAlphabet()
        { public void output() 
          { for(char c='α';c<='ω';c++)
               System.out.printf("%3c",c);
          }
        }
      );
   }
}

